Green Gram (Vigna radiata)
Bean aphid (Aphis craccivora)
Symptoms
- Damage by sucking the plant sap.
- Leaves, inflorescence stalk and young pods covered with aphids.
- Infested pods become withered and malformed.
- Complete drying of affected pods.
- Honey dew secretion with black ant movements.
Management
- Spray tobacco decoction or neem oil-garlic emulsion (20 ml neem oil+ 20 gram garlic paste+ 5 gram bar soap dissolved / litre of water) or Nattapoochedi (Hyptis suaveolens) emulsion (100 gram/ litre of water).
- Spray Laecanicillium lecanii (synonym Verticillium lecanii) or Beauveria bassiana (20 gram/litre of water).
- Release green lacewing bugs @ 50,000 eggs/ha.
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Knapsack Sprayer (Capacity 10L) | Recommendation | Remarks | |
|---|---|---|---|---|---|---|---|---|
| Dosage/acre (200 L) | Dosage/hectare (500 L) | |||||||
| 1 | Imidacloprid 70 WG | Admire, Apache R-Bullet, Chemida, Cohigan Royal, Dzire, Tagmyre | Yellow | 0.3 ml | 3 ml | 60 ml | 150 ml | |
| 2 | Dimethoate 30 EC | Nugor, Rogor, Tagor, Tara 909 , Label colour | Yellow | 1.5 ml | 15 ml | 300 ml | 750 ml | |
Extremely Toxic
Highly Toxic
Moderately Toxic
